Date: Tue, 18 Dec 2001 08:01:30 -0800 (PST) From: colin martin Subject: 706 mk2 trx repair i believe i have found the fix for any 706 mk2 that refuses to transmitt on any band/mode and gives a full bar display on alc when trying to transmitt! there are two diode packs ( surface mount) on the main bd d13/14 and d22/23 these are ISV265-tl devices and they are responsible for the problem. there is most likley only one diode gone short, passing the dc voltage to the alc circuit and blocking the trans freq in the process. this seems to have been a rare but very hard to find fault on several 706's. from m5aet see my page, living in france. best 73's to all colin f/m5aet/p m5aet@yahoo.com